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MAST Motorsports Small Bore (3.898) LS3 Heads

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Old 03-21-2015, 11:38 AM
  #1  
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Default MAST Motorsports Small Bore (3.898) LS3 Heads

Category: Accessories
Price: $2250
Part Fits: 93-02 Chevrolet Camaro, 93-02 Pontiac Firebird, Corvette, 04-06 Pontiac GTO, 04+ Cadillac CTS-V
Location (State): LA
Item Condition: Brand New
Shipping Information: Item Can be Shipped
Engine: LS2/LS3/LS7/L92/LS9, LS1/LS6
LS Engine?: Fits LS Engine

BNIB, never ran. They've literally sat in my closet for about 3 or 4 months now, and I'm just coming to the realization I'm never going to get this build done.

Comes with upgraded hollow stem intake valves, PAC 1221x springs, Ti retainers (good to .700 lift) and rocker stands to use stock LS3 rockers if you so choose.

Link to heads for numbers / info:
http://www.mastmotorsports.com/view.php?id=354&c=18&s=4

Since flow numbers have been requested, here they are

Flow Data w/3.900" Bore Plate

Lift------Intake---Exhaust
0.100-----76-----57
0.200-----147----110
0.300-----218----172
0.400-----274----214
0.500-----318----234
0.500-----318----234
0.550-----333----242
0.600-----342----248
0.650-----349----252
0.700-----353----257


Again, these are SMALL BORE heads that fit the LS1 LS6.

Any questions PM me, or text me at 337 - five zero one - 65 seven three

$2250 shipped complete, pay fee or send as gift.











Intake Port front


Intake port at valve


Exhaust Port


Exhaust Port at Valve


Rocker Stands for Stock Rockers

Last edited by dr_whigham; 04-29-2015 at 08:14 AM.
Old 03-23-2015, 10:56 AM
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Bumpity bump
Old 03-23-2015, 12:06 PM
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Sorry about having to sell off the project, I know how much that can suck at times, if I had the money it would be yours those are a set of screamers right there. I wish you the best of luck on your sale and future project endeavors.
-J.
Old 03-23-2015, 02:48 PM
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Thanks man.

Yeah, just a lot on the plate right now. I'm not too worried. Parts are made everyday. They'll still be there when I'm ready again.

Old 03-24-2015, 12:53 AM
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Free Bump for very nice heads i wish i could afford...Good Luck and GOD Bless
Old 03-24-2015, 10:20 AM
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Wow, you just got these not too long ago. Sorry to see you're selling these top of the line heads for such a nice asking price. Good luck with the sale, it should sell fast. Free bump to the top
Old 03-24-2015, 10:26 AM
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I think these are the exact heads Ed told me to get...
Old 03-24-2015, 01:45 PM
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Wow! Those are nice heads! Good price too
Old 03-24-2015, 02:59 PM
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May not be for sale anymore.

Will update shortly
Old 04-27-2015, 09:15 AM
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One day sale - OVER

Last edited by dr_whigham; 04-27-2015 at 11:01 PM.
Old 04-27-2015, 09:35 AM
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Holy WOW deal! Isn't that like $800 or more off of new?
Old 04-27-2015, 09:37 AM
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Depends where you buy them from, but around a grand off.
Old 04-27-2015, 10:33 AM
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Ill take the head studs if you change your mind again lol
Old 04-27-2015, 11:15 AM
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Originally Posted by Spectre86
Ill take the head studs if you change your mind again lol
PM replied.
Old 04-27-2015, 01:03 PM
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Wow, good luck with the sale man. I've almost put mine up for sale as well
Old 04-27-2015, 03:53 PM
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PM's replied. Someone pull the trigger. I'm practically giving these away
Old 04-27-2015, 09:56 PM
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all Right DR., I'll trade ya for my CNC 799s even up but that's my final offer....
That is one hell of a deal !!!!
I almost want to go to the bank and take out a personal loan those are so cool......GLWS
Old 04-27-2015, 10:52 PM
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Lol. I don't take personal checks...

This is a good deal for someone that can see it through. Life got in my way. It happens. I'll be back.
Old 04-28-2015, 03:01 AM
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Would these work well on a 4.010 bore? Seems like a smokin deal and I'm very interested.
Old 04-28-2015, 08:15 AM
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My own personal opinion: id say these would perform excellent on a 6.0 bore. It would be the same as putting a 243 on an LS2/LQ9/LQ4.

Last edited by dr_whigham; 04-28-2015 at 03:47 PM.


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